Home / 398,779,852.80-598,169,779.20-183,789,004.80

Finding the Fourth Proportional to 398,779,852.80, 598,169,779.20 and 183,789,004.80

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Solution

The fourth proportional to 398,779,852.80, 598,169,779.20 and 183,789,004.80 is: 275,683,507.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,779,852.80 : 598,169,779.20 = 183,789,004.80 : x
  2. Step 2: Convert to fraction form
    398,779,852.80/598,169,779.20 = 183,789,004.80/x
  3. Step 3: Cross multiply
    398,779,852.80x = 598,169,779.20 × 183,789,004.80
  4. Step 4: Simplify right side
    398,779,852.80x = 109,937,028,420,603,760
  5. Step 5: Solve for x
    x = 109,937,028,420,603,760/398,779,852.80
  6. Step 6: Final answer
    x = 275,683,507.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.